#641F6B
Closest named color: Grape Purple (#5D1451). oklch(38% 0.139 323.9), rgb(100, 31, 107).
Aa
White text reads best on this color (10.76:1).
About this color
#641F6B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.139 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.049 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #641F6B |
| RGB | rgb(100, 31, 107) |
| HSL | hsl(294, 55%, 27%) |
| OKLCH | oklch(38% 0.139 323.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #641F6B | 10.76:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #641F6B | 1.95:1 | Fails | Lc 9.8 | Not readable |
| #641F6B text on white | 10.76:1 | AAA | Lc 94.2 | Preferred for body text |
| #641F6B text on black | 1.95:1 | Fails | Lc -8.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F4E3F6
oklch(93.5% 0.031 322.6)
-
Step 200
200
#EDCDEF
oklch(88.5% 0.057 324.2)
-
Step 300
300
#E2AAE7
oklch(80.9% 0.104 323.7)
-
Step 400
400
#D279DB
oklch(70.8% 0.166 323.7)
-
Step 500
500
#C54FD0
oklch(63.1% 0.213 324.2)
-
Step 600
600
#B029BD
oklch(55.6% 0.232 324.1)
-
Step 700
700
#9718A3
oklch(49.1% 0.215 324)
-
Step 800
800
#7B1984
oklch(42.7% 0.179 324.2)
-
Step 900
900 (this color)
#641F6B
oklch(38% 0.139 323.9)
-
Step 950
950
#3A133E
oklch(26.9% 0.088 323.9)
#641F6B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0C386D | 0.143 |
| Deuteranopia (no green cones) | #2C4069 | 0.121 |
| Tritanopia (no blue cones) | #662B42 | 0.082 |
| Achromatopsia (no color) | #3E3E3E | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641F6B
#641F6B
oklch(38% 0.139 323.9)
- #00520B
#00520B
oklch(38.1% 0.124 144)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641F6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.049
- Rich Purple #720058 ΔE 0.051
- Velvet #750851 ΔE 0.060
- Purple #800080 ΔE 0.069
- Royal Purple #4B006E ΔE 0.075
- Plum Purple #4E0550 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.083
- Indigo #4B0082 ΔE 0.084
Use #641F6B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.